Damage-free spring forming mechanism

Abstract

The utility model discloses a non-damage spring forming mechanism which comprises a base plate, a wire discharging core shaft is arranged on the base plate, a plurality of sets of hooking mechanisms are arranged around the wire discharging core shaft, each hooking mechanism comprises a base and a sliding seat, the sliding seat is connected with the base in a sliding mode, a mounting frame is arranged on the sliding seat of at least one set of hooking mechanism, and the wire discharging core shaft is arranged on the mounting frame. A bending assembly is arranged at the end, close to the wire discharging mandrel, of the mounting frame, a first roller used for abutting against a spring wire is arranged on the bending assembly, a second roller used for guiding the spring wire is arranged on a wire discharging hole of the wire discharging mandrel, and the spring wire is located between the first roller and the second roller. By arranging the first rolling wheel and the second rolling wheel, the spring wire is protected between the first rolling wheel and the second rolling wheel to be bent, no scratch is left on the surface of the spring wire, and the problem that the spring forming quality is poor due to the scratch on the surface of the spring is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to spring forming mechanism technical field, concretely relates to a kind of non-injury spring forming mechanism. BACKGROUND

[0002] Spring is a kind of mechanical part using elasticity to work, generally by elastic material, it can be deformed under external force, and can restore original shape after removing external force, and the type of spring is complex and various, according to shape, mainly have helical spring, spiral spring, plate spring, special-shaped spring etc.

[0003] Spring needs to be bent in the forming production and processing process of spring, and is currently bent directly by pressing bending rod on spring forming mechanism, and pressing bending rod is easy to cause scratch to spring wire ejected by ejecting core shaft when bending, to cause the problem of poor spring forming quality caused by spring surface scratch. UTILITY MODEL CONTENT

[0004] The utility model provides a kind of non-injury spring forming mechanism according to the lack of prior art, it can not leave scratch on spring wire surface in the process of bending spring, solve the problem of poor spring forming quality caused by spring surface scratch.

[0005] To achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] A kind of non-injury spring forming mechanism, including base plate, the base plate is equipped with ejecting core shaft, multiple groups of hooking mechanisms are equipped around the ejecting core shaft, the hooking mechanism all includes base and sliding seat, the base is installed on base plate, the sliding seat is slidably connected with the base, at least one group of hooking mechanisms is equipped with mounting bracket on the sliding seat, the mounting bracket is equipped with bending assembly near one end of ejecting core shaft, the bending assembly is equipped with first roller for pressing spring wire, one end of the ejecting core shaft is equipped with wire ejecting hole, the wire ejecting hole side is equipped with second roller for guiding spring wire, the second roller is rotatably installed on the ejecting core shaft, and the spring wire is located between the first roller and the second roller;By being equipped with the first roller for pressing spring wire on bending assembly, the second roller for guiding spring wire is arranged on the ejecting core shaft, spring wire is protected between the first roller and the second roller for bending, so that scratch is not left on the surface of spring wire, to solve the problem of poor spring forming quality caused by spring surface scratch.

[0007] As a preferred solution, the bending assembly further comprises a bending rod and a mounting sleeve sleeved outside the bending rod, the bending rod is provided with a bending part, the bending part is provided with a receiving hole for accommodating the first roller, the mounting sleeve is provided with a first mounting hole corresponding to the receiving hole, the first roller is inserted into the first mounting hole and rotatably mounted in the receiving hole through the mounting shaft, and the thread discharging core shaft is further provided with a second mounting hole, the second roller is rotatably mounted on the thread discharging core shaft through the mounting shaft penetrating the second roller and being inserted into the second mounting hole.

[0008] As a preferred solution, the mounting sleeve is provided with a receiving groove for accommodating the bending part, and the mounting sleeve is further provided with a first sliding groove, the bending part is provided with a mounting protrusion corresponding to the first sliding groove, and in assembly, the mounting sleeve is sleeved outside the bending part by inserting the mounting protrusion into the first sliding groove.

[0009] As a preferred solution, the bending part and the inner side wall of the receiving groove form a guide groove, the bending part is provided with a first positioning hole, the mounting sleeve is provided with a second positioning hole corresponding to the first positioning hole, and the mounting sleeve is positioned and mounted outside the bending part by being inserted into the first positioning hole and the second positioning hole through a screw or a bolt.

[0010] As a preferred solution, the receiving hole is provided with a step on the side close to the thread discharging hole.

[0011] As a preferred solution, the thread discharging core shaft is further provided with a giving-up groove corresponding to the second roller, and the giving-up groove is in communication with the thread discharging hole on one side.

[0012] As a preferred solution, the mounting bracket further comprises a stand, the mounting bracket is provided with a mounting groove corresponding to the stand, the mounting bracket is further provided with a first through hole penetrating to the mounting groove, the stand is provided with a third mounting hole corresponding to the first through hole, and the stand is screw-connected to the mounting bracket through the first through hole and the third mounting hole by a screw or a bolt.

[0013] As a preferred solution, the first through hole is a racetrack-shaped mounting hole, and the length direction of the first through hole is parallel to the axial direction of the thread discharging core shaft.

[0014] As a preferred solution, the stand is further provided with a second through hole, the sliding seat is provided with a plurality of fourth mounting holes corresponding to the second through hole, and the stand is screw-connected to the sliding seat through the second through hole and the fourth mounting hole by a screw or a bolt.

[0015] As a preferred solution, the plurality of fourth mounting holes are arranged at intervals along the moving direction of the sliding seat.

[0016] The utility model discloses an obvious advantage and beneficial effect compared with prior art, specifically speaking, through setting up the first gyro wheel of resistance pressure spring line on the bending assembly, setting up the second gyro wheel of guiding spring line on the line core, the spring line is protected between the first gyro wheel and the second gyro wheel and is bent, thereby will not leave the scratch on the spring line surface, improves the forming quality of spring.

[0017] In order to more clearly set forth the structural features, technical means and the concrete purpose and function reached of the utility model, below combining with the specific embodiment to the utility model make further detailed description: DRAWINGS

[0018] Figure 1 It is the assembly structure schematic diagram of the embodiment of the utility model;

[0019] Figure 2 It is Figure 1 The structure enlarged schematic diagram of A in

[0020] Figure 3 It is the working state internal structure schematic diagram of the embodiment of the utility model;

[0021] Figure 4 It is Figure 3 The structure enlarged schematic diagram of B in

[0022] Figure 5 It is the second gyro wheel and the decomposition structure schematic diagram of line core of the embodiment of the utility model;

[0023] Figure 6 It is the decomposition structure schematic diagram of base, sliding seat and bending assembly of the embodiment of the utility model.

[0024] DRAWINGS

[0025] 10 - base plate;11 - line core;12 - line hole;13 - second mounting hole;14 - second gyro wheel;15 - let place slot;16 - mounting shaft;

[0026] 20 - mounting frame;201 - installation groove;202 - first through -hole;21 - stand;211 - second through -hole;212 - third mounting hole;22 - bending rod;221 - containing hole;222 - first gyro wheel;223 - step;224 - installation convex edge;225 - first positioning hole;226 - first arc surface;23 - mounting sleeve;231 - containing slot;232 - first sliding slot;233 - second positioning hole;234 - first mounting hole;235 - second arc surface;30 - drive mechanism;31 - base;32 - second sliding slot;33 - sliding seat;34 - fourth mounting hole. DETAILED DESCRIPTION

[0027] In the description of the present invention, it should be noted that the terms "center", "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the position or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they cannot be understood as limitations on the present invention.

[0028] In the description of this utility model, it should be noted that, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" should be understood in a broad sense. For example, they may refer to fixed connections, detachable connections, or integral connections; mechanical connections or electrical connections; direct connections or indirect connections through an intermediate medium; and internal communication between two components. Those skilled in the art will understand the specific meanings of these terms in this utility model based on the specific circumstances.

[0029] like Figures 1-6 As shown, the utility model discloses a non-damaging spring forming mechanism, including a base plate 10, a wire-spinning core shaft 11 is provided on the base plate 10, and a plurality of hooking mechanisms are provided around the wire-spinning core shaft 11, each of the hooking mechanisms includes a base 31 and a sliding seat 33, the base 31 is mounted on the base plate 10, the sliding seat 33 is slidably connected to the base 31, and a mounting bracket 20 is provided on the sliding seat 33 of at least one group of hooking mechanisms, and the mounting bracket 20 is provided with a bending assembly near one end of the wire-spinning core shaft 11, and the bending assembly is provided with a first roller 222 for pressing the spring wire, and one end of the wire-spinning core shaft 11 A wire-extrusion hole 12 is provided, and a second roller 14 for guiding the spring wire is provided next to the wire-extrusion hole 12. The second roller 14 is rotatably mounted on the wire-extrusion core shaft 11, and the spring wire is located between the first roller 222 and the second roller 14. By arranging a first roller 222 for pressing the spring wire on the bending assembly and arranging a second roller 14 for guiding the spring wire on the wire-extrusion core shaft 11, the spring wire is protected between the first roller 222 and the second roller 14 for bending, so that no scratches are left on the surface of the spring wire, thereby solving the problem of poor spring forming quality caused by scratches on the spring surface.

[0030] The utility model discloses, the base 31 is provided with the second sliding slot 32, and the sliding seat 33 is slidably installed on the base 31 through the second sliding slot 32, the hooking assembly still includes the drive mechanism 30 of driving sliding seat 33 movement, still includes drive motor, eccentric shaft, triangular swing arm, linkage shaft etc. in the drive mechanism 30, is provided at the drive motor output end through eccentric shaft, and one end of triangular swing arm is rotatably connected, the middle part of triangular swing arm is rotatably arranged on the base plate 10, and the other end of triangular swing arm is rotatably connected sliding seat 33 through linkage shaft, adopts this structure and can drive sliding seat 33 to reciprocating activity, and drive mechanism 30 adopts prior art, and here will not repeat.

[0031] The utility model discloses still be equipped with tool on the rest sliding seat 33, the tool is the cutter, push rod, reel etc. in prior art, these tools can carry out shearing, winding etc. operation to the wire material that spits out from the wire spitting hole 12, and these tools adopt prior art, and here will not repeat.

[0032] The press bending assembly further includes a press bending rod 22 and a mounting sleeve 23 sleeved outside the press bending rod 22, the press bending rod 22 has a press bending part, the press bending part is provided with a containing hole 221 containing the first roller 222, the mounting sleeve 23 is provided with a first mounting hole 234 corresponding to the containing hole 221, the first roller 222 is rotatably installed in the containing hole 221 by inserting the first mounting hole 234 through the mounting shaft 16 and penetrating the first roller 222, the wire spitting mandrel 11 is further provided with a second mounting hole 13, and the second roller 14 is rotatably installed on the wire spitting mandrel 11 by penetrating the second roller 14 through the mounting shaft 16 and inserting the second mounting hole 13, the installation positions of the first roller 222 and the second roller 14 are designed, so that the spring wire outlet is more convenient.

[0033] The mounting sleeve 23 is provided with a containing groove 231 containing the press bending part, the mounting sleeve 23 is further provided with a first sliding slot 232, the press bending part is provided with a mounting convex edge 224 corresponding to the first sliding slot 232, during assembly, the mounting sleeve 23 is sleeved outside the press bending part by inserting the first sliding slot 232 through the mounting convex edge 224, the inner side wall of the press bending part and the containing groove 231 forms a guide groove, the press bending part is provided with a first positioning hole 225, the mounting sleeve 23 is provided with a second positioning hole 233 corresponding to the first positioning hole 225, and the mounting sleeve 23 is positioned and installed outside the press bending part by inserting the first positioning hole 225 and the second positioning hole 233 through the screw or bolt, by setting the first sliding slot 232 and the mounting convex edge 224, the mounting sleeve 23 can be quickly sleeved on the press bending rod 22, the assembly efficiency is improved, by setting the first positioning hole 225 and the second positioning hole 233, the mounting sleeve 23 can be quickly positioned, the relative position of the mounting sleeve 23 and the press bending rod 22 is fixed every time, and the production quality of the product is ensured.

[0034] The accommodating hole 221 is provided with a step 223 near one side of the wire outlet hole 12. The step 223 can assist the first roller 222 to better press the spring wire.

[0035] The wire outlet shaft 11 is also provided with a clearance slot 15 corresponding to the second roller 14, and the clearance slot 15 is in communication with the wire outlet hole 12. The second roller 14 is arranged in the clearance slot 15, and the clearance slot 15 is in communication with the wire outlet hole 12. When the spring wire is discharged from the wire outlet hole 12, the spring wire can contact the second roller 14 and be guided by the second roller 14.

[0036] The opposite inner walls of the outlet of the guide slot are respectively provided with a first arc surface 226 and a second arc surface 235. The first arc surface 226 and the second arc surface 235 can avoid scratches on the spring wire, the bending lever 22 and the guide slot.

[0037] The mounting frame 20 further comprises a stand 21. The mounting frame 20 is provided with a mounting slot 201 corresponding to the stand 21. The mounting frame 20 is also provided with a first through hole 202 penetrating into the mounting slot 201. The stand 21 is provided with a third mounting hole 212 corresponding to the first through hole 202. The stand 21 is screw-connected to the mounting frame 20 through the first through hole 202 and the third mounting hole 212. The first through hole 202 is a runway-shaped mounting hole. The length direction of the first through hole 202 is parallel to the axial direction of the wire outlet shaft 11. The first through hole 202 is runway-shaped, and the length direction of the first through hole 202 is parallel to the axial direction of the wire outlet shaft 11. Thus, the distance between the bending lever 22 and the wire outlet shaft 11 in the axial direction of the wire outlet shaft 11 can be adjusted, and different production requirements can be met.

[0038] The stand 21 is also provided with a second through hole 211. The sliding seat 33 is provided with a plurality of fourth mounting holes 34 corresponding to the second through hole 211. The stand 21 is screw-connected to the sliding seat 33 through the second through hole 211 and the fourth mounting hole 34. The fourth mounting holes 34 are arranged at intervals along the moving direction of the sliding seat 33. The mounting position of the stand 21 can be adjusted through the fourth mounting holes 34 arranged at intervals along the moving direction of the sliding seat 33. Thus, the distance between the bending lever 22 and the wire outlet shaft 11 can be adjusted, and different production requirements can be met.

[0039] The use method of the utility model is as follows: the driving mechanism 30 drives the sliding seat 33 to drive the bending assembly to move towards the wire outlet shaft 11. After the bending assembly is in place, the spring wire is discharged from the wire outlet hole 12 and is bent under the guidance of the first roller 222, the second roller 14 and the mounting sleeve 23 and comes out from the guide slot. The bending operation is completed.

[0040] According to the utility model, the first roller 222 for pressing and bending the spring wire is arranged on the pressing and bending assembly, the second roller 14 for guiding the spring wire is arranged on the wire core shaft 11, and the spring wire is protected between the first roller 222 and the second roller 14 for pressing and bending, so that no scratch is left on the surface of the spring wire, and the forming quality of the spring is improved.

[0041] The above is only the preferred embodiment of the utility model, and does not limit the utility model, so any modification, equivalent replacement, improvement and the like made according to the technical actuality of the utility model to the above embodiment still belongs to the range of the technical scheme of the utility model.

Claims

1. A non-destructive spring forming mechanism, comprising a base plate, a wire-spinning mandrel disposed on the base plate, and a plurality of hooking mechanisms disposed around the wire-spinning mandrel, each hooking mechanism comprising a base and a sliding seat, the base being mounted on the base plate, the sliding seat being slidably connected to the base, characterized in that: At least one group of hooking mechanisms has a mounting bracket on its sliding seat, the mounting bracket has a bending assembly near one end of the wire-spinning core shaft, the bending assembly has a first roller for pressing the spring wire, one end of the wire-spinning core shaft has a wire-spinning hole, a second roller for guiding the spring wire is provided next to the wire-spinning hole, the second roller is rotatably mounted on the wire-spinning core shaft, and the spring wire is located between the first roller and the second roller.

2. A non-damaging spring forming mechanism according to claim 1, characterized in that: The bending assembly also includes a bending rod and a mounting sleeve sleeved on the outside of the bending rod, the bending rod has a bending portion, the bending portion is provided with an accommodating hole for accommodating the first roller, the mounting sleeve is provided with a first mounting hole corresponding to the accommodating hole, the first roller is inserted into the first mounting hole through the mounting shaft and passes through the first roller and is rotatably installed in the accommodating hole, the wire-spinning mandrel is also provided with a second mounting hole, the second roller passes through the second roller through the mounting shaft and is inserted into the second mounting hole and is rotatably installed on the wire-spinning mandrel.

3. A non-damaging spring forming mechanism according to claim 2, characterized in that: The mounting sleeve is provided with a receiving groove for accommodating the bending part, and the mounting sleeve is also provided with a first sliding groove. The bending part is provided with a mounting convex edge corresponding to the first sliding groove. During assembly, the mounting sleeve is inserted into the first sliding groove through the mounting convex edge and is arranged on the outside of the bending part.

4. A non-destructive spring forming mechanism according to claim 3, characterized in that: The bending part and the inner side wall of the accommodating groove form a guide groove, the bending part is provided with a first positioning hole, the mounting sleeve is provided with a second positioning hole corresponding to the first positioning hole, and the mounting sleeve is inserted into the first positioning hole and the second positioning hole by screws or bolts to be positioned and installed on the outside of the bending part.

5. The non-destructive spring forming mechanism according to claim 2, characterized in that: A step is provided on one side of the accommodating hole close to the wire spouting hole.

6. The non-destructive spring forming mechanism according to claim 2, characterized in that: The thread-spitting core shaft is further provided with a clearance groove corresponding to the second roller, and one side of the clearance groove is connected with the thread-spitting hole.

7. The non-destructive spring forming mechanism according to claim 1, characterized in that: The mounting frame also includes a column, a mounting groove corresponding to the column is provided on the mounting frame, a first through hole is provided on the mounting frame that passes through the mounting groove, and a third mounting hole is provided on the column that corresponds to the first through hole. The column is screwed and connected to the mounting frame by screws or bolts passing through the first through hole and the third mounting hole.

8. The non-destructive spring forming mechanism according to claim 7, characterized in that: The first through hole is a racetrack-shaped mounting hole, and the length direction of the first through hole is parallel to the axial direction of the wire-spinning mandrel.

9. The non-destructive spring forming mechanism according to claim 7, characterized in that: The column is further provided with a second through hole, and the sliding seat is provided with a plurality of fourth mounting holes corresponding to the second through holes. The column is screwed and connected to the sliding seat by screws or bolts passing through the second through holes and the fourth mounting holes.

10. The non-destructive spring forming mechanism according to claim 9, characterized in that: The plurality of fourth mounting holes are arranged at intervals along the moving direction of the sliding seat.

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